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// Station · 7m ago

KMSS

Massena International Airport Richards Field
CAT VFR
WIND 050° / 4 kt
VIS 10+ SM
CEILING CLR
T/Td 23.9°C / 12.2°C
ALTIM 30.08 inHg
ELEV 215 FT
44.9362°N / 74.8443°W
LOCATION · Massena, US
N
WIND
050°4 kt
KMSS · 215 FT
© OSM · CartoDB

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
050°/4
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
24 / 12
 
 
 
ALTIM
30.08"
 
 
 

// Interpretation

VFR with light winds at 050°/4 kt. Visibility better than 10 statute miles and no reported cloud layers. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KMSS 111453Z AUTO 05004KT 10SM CLR 24/12 A3008 RMK AO2 SLP184 T02390122 51010

KMSS · day 11 at 14:53 UTC · wind from 050° at 4 kt · visibility 10+ SM · temp 24°C / dewpoint 12°C · altimeter 30.08" Hg · automated station w/ precipitation discriminator · sea-level pressure 1018.4 mb

// Runway analysis · computed from current METAR wind

Wind 050° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
050°4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
05 HDG 050° CALM 5,601'
23 HDG 230° CALM 5,601'
09 HDG 090° CALM 4,000'
27 HDG 270° CALM 4,000'
Pattern altitude: 1,215 ft MSL (1,000 ft AGL). Verify pattern direction and altitude with the chart supplement before flying. // On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.

// Density altitude · ISA +9°C

1,100FT
+885 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
2,000 800 -400
24h AGO18h12h6hNOW
FIELD ELEV215 FT OAT+24°C ISA DELTA+9°C PRESSURE ALT53 FT
// Performance equivalent Operating here right now feels like operating at KITH (Ithaca Tompkins Regional Airport, Ithaca, elev 1,099 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+11%
-8%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+8%
-5%
Light jetCJ4, Phenom 300, M2
+4%
-3%

Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 12,286 FT KMSS ELEV · 215 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL12,286 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-5)

09:24ZSUNRISE
17:05ZSOLAR NOON
00:47ZSUNSET
01:23ZCIVIL END
CURRENT15:00Z DAYLIGHT REMAINING9h 46m VFR NIGHT BEGINS01:23Z (10h 22m) DAY LENGTH15h 22m
Waning Crescent
ILLUMINATION11% MOONRISE06:50Z MOONSET22:12Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 60 NM radius

// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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